hfscommon/Catalog/FileIDsServices.c

47 static u_int32_t CheckExtents( void *extents, u_int32_t blocks, Boolean isHFSPlus );
48 static OSErr  DeleteExtents( ExtendedVCB *vcb, u_int32_t fileNumber, int quitEarly, u_int8_t forkType, Boolean isHFSPlus );
49 static OSErr  MoveExtents( ExtendedVCB *vcb, u_int32_t srcFileID, u_int32_t destFileID, int quitEarly, u_int8_t forkType, Boolean isHFSPlus );
117 	Boolean		isHFSPlus = ( vcb->vcbSigWord == kHFSPlusSigWord );
125 	if ( isHFSPlus )
138 		numSrcExtentBlocks = CheckExtents( srcData.hfsPlusFile.dataFork.extents, srcData.hfsPlusFile.dataFork.totalBlocks, isHFSPlus );
140 			numSrcExtentBlocks = CheckExtents( srcData.hfsPlusFile.resourceFork.extents, srcData.hfsPlusFile.resourceFork.totalBlocks, isHFSPlus );
149 		numDestExtentBlocks = CheckExtents( destData.hfsPlusFile.dataFork.extents, destData.hfsPlusFile.dataFork.totalBlocks, isHFSPlus );
151 			numDestExtentBlocks = CheckExtents( destData.hfsPlusFile.resourceFork.extents, destData.hfsPlusFile.resourceFork.totalBlocks, isHFSPlus );
156 		err = DeleteExtents( vcb, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
162 			err = MoveExtents( vcb, srcData.hfsPlusFile.fileID, kHFSBogusExtentFileID, 0,0, isHFSPlus );
172 			err = MoveExtents( vcb, destData.hfsPlusFile.fileID, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
178 ExUndo2aPlus:	err = DeleteExtents( vcb, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
181                 err = MoveExtents( vcb, kHFSBogusExtentFileID, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
188             err = MoveExtents( vcb, kHFSBogusExtentFileID, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
194 				err = DeleteExtents( vcb, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
197 				err = MoveExtents( vcb, srcData.hfsPlusFile.fileID, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
206 			err = MoveExtents( vcb, srcData.hfsPlusFile.fileID, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
212 				err = DeleteExtents( vcb, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
220 			err = MoveExtents( vcb, destData.hfsPlusFile.fileID, srcData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
226 				err = DeleteExtents( vcb, destData.hfsPlusFile.fileID, 0, 0, isHFSPlus );
267 		numSrcExtentBlocks = CheckExtents( srcData.hfsFile.dataExtents, srcData.hfsFile.dataPhysicalSize / vcb->blockSize, isHFSPlus );
269 			numSrcExtentBlocks = CheckExtents( srcData.hfsFile.rsrcExtents, srcData.hfsFile.rsrcPhysicalSize / vcb->blockSize, isHFSPlus );
282 		numDestExtentBlocks = CheckExtents( destData.hfsFile.dataExtents, destData.hfsFile.dataPhysicalSize / vcb->blockSize, isHFSPlus );
284 			numDestExtentBlocks = CheckExtents( destData.hfsFile.rsrcExtents, destData.hfsFile.rsrcPhysicalSize / vcb->blockSize, isHFSPlus );
292         err = DeleteExtents( vcb, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
298         err = MoveExtents( vcb, srcData.hfsFile.fileID, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
304 ExUndo1a:		err = DeleteExtents( vcb, kHFSBogusExtentFileID, 0, 0, isHFSPlus );
313 			err = MoveExtents( vcb, destData.hfsFile.fileID, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
319 ExUndo2a:		err = DeleteExtents( vcb, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
322                 err = MoveExtents( vcb, kHFSBogusExtentFileID, srcData.hfsFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
329             err = MoveExtents( vcb, kHFSBogusExtentFileID, destData.hfsFile.fileID, 0, 0, isHFSPlus );
335 				err = DeleteExtents( vcb, destData.hfsFile.fileID, 0, 0, isHFSPlus );
338 				err = MoveExtents( vcb, srcData.hfsFile.fileID, destData.hfsFile.fileID, 0, 0, isHFSPlus );	//	Move the extents back
347 			err = MoveExtents( vcb, srcData.hfsFile.fileID, destData.hfsFile.fileID, 0, 0, isHFSPlus );
353 				err = DeleteExtents( vcb, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
361 			err = MoveExtents( vcb, destData.hfsFile.fileID, srcData.hfsFile.fileID, 0, 0, isHFSPlus );
367 				err = DeleteExtents( vcb, destData.hfsFile.fileID, 0, 0, isHFSPlus );
430 static OSErr  MoveExtents( ExtendedVCB *vcb, u_int32_t srcFileID, u_int32_t destFileID, int quitEarly, u_int8_t forkType, Boolean isHFSPlus )
478 	if (isHFSPlus) {
547 			foundFileID = isHFSPlus ? extentKeyPtr->hfsPlus.fileID : extentKeyPtr->hfs.fileID;
550 				if (quitEarly && isHFSPlus) {
566 		if (isHFSPlus)
574 			if (isHFSPlus)
607 			err = DeleteExtents( vcb, srcFileID, forkType, quitEarly, isHFSPlus );	//	Now delete all the extent entries with the sourceID
629 static OSErr  DeleteExtents( ExtendedVCB *vcb, u_int32_t fileID, int quitEarly,  u_int8_t forkType, Boolean isHFSPlus )
666 	if (isHFSPlus) {
707 		foundFileID = isHFSPlus ? extentKeyPtr->hfsPlus.fileID : extentKeyPtr->hfs.fileID;
711 		if (quitEarly && isHFSPlus) {
732 static u_int32_t  CheckExtents( void *extents, u_int32_t totalBlocks, Boolean isHFSPlus )
743 	if ( isHFSPlus )